Par04/src/Par04LwtnnInference.cc

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0025 //
0026 #ifdef USE_INFERENCE_LWTNN
0027 #  include "Par04LwtnnInference.hh"
0028
0029 #  include "Par04InferenceInterface.hh"  // for Par04InferenceInterface
0030
0031 #  include <fstream>  // for ifstream
0032
0033 #  include <lwtnn/parse_json.hh>  // for parse_json_graph
0034
0035 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0036
0037 Par04LwtnnInference::Par04LwtnnInference(G4String modelPath) : Par04InferenceInterface()
0038 {
0039   // file to read
0040   std::ifstream input(modelPath);
0041   // build the graph
0042   fGraph = std::make_unique<lwt::LightweightGraph>(lwt::parse_json_graph(input));
0043   input.close();
0044 }
0045
0046 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0047
0048 void Par04LwtnnInference::RunInference(std::vector<float> aGenVector,
0049                                        std::vector<G4double>& aEnergies, int aSize)
0050 {
0051   // generation vector
0052   fNetworkInputs inputs;
0053   for (std::size_t i = 0; i < aGenVector.size(); ++i) {
0054     inputs["node_0"]["variable_" + std::to_string(i)] = aGenVector[i];
0055   }
0056
0057   // run the inference
0058   fNetworkOutputs outputs = fGraph->compute(inputs);
0059   aEnergies.assign(aSize, 0);
0060   for (int i = 0; i < aSize; i++)
0061     aEnergies[i] = outputs["out_" + std::to_string(i)];
0062 }
0063
0064 #endif